AMD Phenom II X3 720 BE vs Intel Pentium III 1400

Comparative analysis of AMD Phenom II X3 720 BE and Intel Pentium III 1400 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Virtualization. Benchmark processor performance analysis: CompuBench 1.5 Desktop - T-Rex (Frames/s), PassMark - Single thread mark, PassMark - CPU mark.

AMD Phenom II X3 720 BE

Intel Pentium III 1400

Differences

Reasons to consider the AMD Phenom II X3 720 BE

CPU is newer: launch date 7 year(s) 2 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 3 vs 1
Around 100% higher clock speed: 2.8 GHz vs 1.4 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 45 nm vs 130 nm
48x more L1 cache, more data can be stored in the L1 cache for quick access later
6x more L2 cache, more data can be stored in the L2 cache for quick access later

Launch date	February 2009 vs December 2001
Unlocked	Unlocked vs Locked
Number of cores	3 vs 1
Maximum frequency	2.8 GHz vs 1.4 GHz
Manufacturing process technology	45 nm vs 130 nm
L1 cache	128 KB (per core) vs 8 KB
L2 cache	512 KB (per core) vs 256 KB

Reasons to consider the Intel Pentium III 1400

3.1x lower typical power consumption: 31.2 Watt vs 95 Watt

Thermal Design Power (TDP)	31.2 Watt vs 95 Watt

Compare benchmarks

CPU 1: AMD Phenom II X3 720 BE
CPU 2: Intel Pentium III 1400

Name	AMD Phenom II X3 720 BE	Intel Pentium III 1400
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.161
PassMark - Single thread mark		272
PassMark - CPU mark		193

Compare specifications (specs)

	AMD Phenom II X3 720 BE	Intel Pentium III 1400
Essentials
Architecture codename	Heka	Tualatin
Launch date	February 2009	December 2001
Place in performance rating	3211	3256
Vertical segment	Desktop	Desktop
Series		Legacy Intel® Pentium® Processor
Status		Discontinued
Performance
64 bit support
Die size	258 mm	80 mm2
L1 cache	128 KB (per core)	8 KB
L2 cache	512 KB (per core)	256 KB
L3 cache	6144 KB (shared)
Manufacturing process technology	45 nm	130 nm
Maximum frequency	2.8 GHz	1.4 GHz
Number of cores	3	1
Transistor count	758 million	44 million
Unlocked
Base frequency		1.40 GHz
Bus Speed		133 MHz FSB
Maximum case temperature (TCase)		69 °C
Maximum core temperature		69°C
VID voltage range		1.5V
Memory
Supported memory types	DDR3
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	AM3	PPGA370
Thermal Design Power (TDP)	95 Watt	31.2 Watt
Low Halogen Options Available
Advanced Technologies
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)